[Autoflow] Add SCSS files

Merge in SCSS files and platform markup which supports
autoflow tabular views for WTD-611 into the open-source-friendly
master branch.

platform/commonUI/general/res/templates/controls/input-filter.html

@@ -0,0 +1,5 @@
+<!-- look at action-button for example -->
+<span class="t-filter l-filter">
+	<input type="search" class="t-filter-input" ng-model="filter" placeholder="Filter..."/>
+	<a class="ui-symbol t-a-clear s-a-clear" ng-click="filter = null">x</a>
+</span>